L-Cancelling is a unique mechanic to Super Smash Bros. Melee and 64. In melee, it reduces your aerial attack landing lag by 50%. If you want to start playing Melee at a higher, "competitive" level, you NEED to learn how to L-Cancel. And this video will show you how, as well as other useful information!
Resources:
How to get Uncle Punch: th-cam.com/video/yQ_7U7Mhyuw/w-d-xo.html
How to use Uncle Punch: th-cam.com/video/8OC2YRGpYV4/w-d-xo.html
This site has the landing lag frame data for every aerial attack: meleeframedata.com/
Smash bros wiki on L-Cancelling: www.ssbwiki.com/L-canceling
More nuanced and advanced aspects of L-Cancelling: th-cam.com/video/cXz7rlJU24Y/w-d-xo.html
Song 1: Pokemon Black and White 2 - Aspertia City
Song 2: Pokemon Black and White - The End
Song 3: Super Mario Odyssey - Steam Gardens
Chapters:
0:00 Intro
0:24 Landing Lag
0:37 L-Cancelling
1:13 Hitlag
2:05 Avoiding Tech Lockout
2:54 Applications of L-Cancelling
3:21 SHFFL
3:43 Practicing L-Cancels